9939640

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1301}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 22498560

約数和(自身を除く): 12558920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1301, 1528, 1910, 2602, 3820, 5204, 6505, 7640, 10408, 13010, 26020, 52040, 248491, 496982, 993964, 1242455, 1987928, 2484910, 4969820, 9939640]

約数ペア:

[(1, 9939640), (2, 4969820), (4, 2484910), (5, 1987928), (8, 1242455), (10, 993964), (20, 496982), (40, 248491), (191, 52040), (382, 26020), (764, 13010), (955, 10408), (1301, 7640), (1528, 6505), (1910, 5204), (2602, 3820)]